Protractor



FIG. 1 is a perspective of a protractor showing our new design;

FIG. 2 is a front elevational view of the protractor shown in FIG. 1;

FIG. 3 is a rear elevational view of the protractor shown in FIG. 1;

FIG. 4 is a left side elevational view of the protractor shown in FIG.1;

FIG. 5 is a right side elevational view of the protractor shown in FIG.1;

FIG. 6 is a top plan view of the protractor shown in FIG. 1; and,

FIG. 7 is a bottom plan view of the protractor shown in FIG. 1.

The ornamental design for a protractor, as shown and described.